A UX designer plays a crucial role in product development by focusing on creating a seamless and satisfying interaction between users and the product. They are responsible for understanding user needs, researching, creating wireframes and prototypes, and collaborating with cross-functional teams to ensure the final product is user-friendly and intuitive.
Throughout the development process, UX designers learn to empathize with users, design user-centric interfaces, conduct usability testing, and iterate based on feedback, ultimately striving to enhance the overall user experience and optimize the product's usability and functionality.